Replacing Values of Variables

2(b) - 3=______
b=5

• 2

• 10

• 1

• 7

Last one,  5x + 2x + 2= ___________
x= 2

• 16

• 13

• 0

• 4

12 + n = ______________
n=4

• 18

• 20

• 16

• 12 + 4n

After replacing the values for the variables, what do you do to evaluate the numerical expression?

• Follow the order of operations

• Substitute the values for the variables

Evaluate the expression for m = 1 and p = 5

p² + m

• 23

• 24

• 25

• 26

Evaluate.....7(g-3); when g = -8

• 35

• -77

• -35

• 77

Evaluate x^2 - 2 when x = 4

• 16

• 14

• 18

Evaluate 7d - 11 if d = 6.

• 42

• 53

• 31

• 65

Evaluate the expression when a=10

2a + 3

• 5

• 15

• 23

Find the value of 11x - 5y if x = -2 and y = 3.

• -37

• 43

• -7

• 7